shell16 728x90 특정 계정에 Lock(잠금) 걸기 passwd 특정 사용자의 패스워드를 잠금으로 해당 사용자가 로그인을 못하게 하는 방법입니다. [그림 1. passwd -l] 그림 1과 같이 패스워드 정보가 들어있는 /etc/shadow파일을 cat으로 열어보니 testAcc사용자에 비밀번호가 설정되어 있는게 보입니다. 확인 후 바로 testAcc계정을 빨간밑줄에 passwd -l 명령으로 잠금을 걸었습니다. 그러면 노란색 박스처럼 계정의 비밀 번호를 잠기었다고 나오게 됩니다. [그림 2. passwd -l 명령 후 shadow파일 확인] 그림 2번을 보게되면 /etc/shadow파일을 다시 확인하게 되는대 비밀번호 앞에 느낌표가 두게 들어가 있음을 발견할 수 있습니다. 비밀번호 앞에 느낌표 두개를 붙여 사용자의 로그인을 막게 됩니다. [그림 3. passwd -.. 2013. 2. 8. Bash: Pass Shell Variables To awk How do I pass shell variables to awk command or script under UNIX like operating systems? The -v option can be used to pass shell variables to awk command. Consider the following simple example, root="/webroot" echo | awk -v r=$root '{ print "shell root value - " r}' In this example search file using awk as follows: #!/bin/bash # Usage : Search word using awk for given file. # Syntax: ./script ".. 2012. 7. 18. Analysis on mma.php Backdoor Shell All right guys, today let’s have a look on a very common backdoor shell today that allows an attacker to upload arbitrary files on the web server. The name of this shell is mma.php and is commonly named or uploaded in the websites I’ve been inspecting for possible backdoor uploads by using the power of Google dorks.My first encounter with this backdoor shell was like two years ago and I was stil.. 2012. 4. 2. Metasploit Framework 3.6.0 Released! In coordination with Metasploit Express and Metasploit Pro, version 3.6 of the Metasploit Framework is now available. Hot on the heels of 3.5.2, this release comes with 8 new exploits and 12 new auxiliaries. A whopping 10 of those new auxiliary modules are Chris John Riley's foray into SAP, giving you the ability to extract a range of information from servers' management consoles via the SOAP in.. 2011. 3. 8. Bash Shell Shortcuts (쉘 단축키) Bash, which is the default shell in Linux contains a whole lot of key bindings which makes it really easy to use . The most commonly used shortcuts are listed below : ____________CTRL Key Bound_____________ Ctrl + a - Jump to the start of the line Ctrl + b - Move back a char Ctrl + c - Terminate the command Ctrl + d - Delete from under the cursor Ctrl + e - Jump to the end of the line Ctrl + f -.. 2011. 2. 18. 이전 1 2 3 4 다음 728x90 728x90
